Like many illnesses, the more comorbid conditions you have and the worse your state of health might be before you get very sick with this, the worse you will probably fare in getting COVID.
To clarify the earlier statement, in some of the reports from China, and Wuhan specifically, where I think they were clinically very overwhelmed, the results they had with patients getting off of a ventilator were probably not going to be so generalizable to what we have seen in other health care systems that have been able to keep up with that demand, such as our own.